PRN     Azimuth(d)     Elevation(d)   Vertical-TEC(tecu)    Slant-TEC(tecu)       S4(L1/L2)    2018/12/10-01:42:50
G07     317.1          52.0                4.2 +/-    1.19       5.2 +/-    1.19  0.140 / 0.210
G08     115.9          45.6                9.4 +/-    0.78      12.5 +/-    0.78  0.130 / 0.140
G09     237.7          84.2                6.2 +/-    0.44       6.2 +/-    0.44  0.090 / 0.240
G16     43.1           18.9                2.0 +/-    1.06       4.4 +/-    1.06  0.080 / 0.180
G23     150.2          58.9                8.1 +/-    1.08       9.3 +/-    1.08  0.040 / 0.070
G27     73.4           37.9                5.1 +/-    0.60       7.7 +/-    0.60  0.040 / 0.060
G28     227.4          16.3                4.5 +/-    3.71      10.8 +/-    3.71  0.120 / 0.300
G30     290.4          25.0                5.3 +/-    1.48      10.4 +/-    1.48  0.110 / 0.260